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* fix lack macOS ram info in system-info.sh
* aligned spaces
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* Fix crash when receiving malformed labels via streaming.
* Disallow empty _virtualization values in system_info.
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This causes failure to detect virtualization to be reported as no
virtualization instead of unknown virtulization.
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the system's disk capacity. (#7902)
* Remove trailing whitespace in system-info.sh.
* Fix handling of APFS on macOS.
APFS can have multiple volumes in a single partition, which means that
the same functional 'volume' can appear multiple times in the output of
`df`. Duplicate lines for such volumes will show the same total size and
available space along with a common prefix for the device name.
This updates the parsing logic for `df` on macOS to account for this by
deduplicating lines in the `df` output that have the same total size,
available space, and same normalized device name.
This has the potential to incorrectly under-account space in some cases,
but the liklihood of that happeing is much less than the certainty of
overaccounting space on standard APFS configurations.
* Properly handle VirtIO block devices when using /sys.
The VirtIO Block device driver uses a dynamically allocated device major
number, meaning that we can't trivially match on it.
This updates the handling to properly look it up in `/proc/devices`
instead of just using the whole dynamic device number range.
* Add handling for NVMe block devices in sysfs code.
They use dynamic major numbers just like VirtIO Block devices do.
* Switch to device major discovery in /proc/devices for all device types.
This converts the code to use `/proc/devices` to look up correct device
major numbers for block devices taht we treat as disks just like we are
already doing for those that have dynamically assigned numbers. This
makes the code both more robust and easier to understand and modify.
This also excludes some particularly old hardware that we were
originally looking for. If needed, we can add in the required device
names, but for now it's better to keep the list concise.
* Correct handling of device major discovery.
We need to strip leading whitespace before calling cut, not after.
* Only use /sys/block if we can read /proc/devices.
We use `/proc/devices` to do device number lookups that we then use to
filter devices under `/sys/block`. As a result, if we can't read
`/proc/devices`, then we won't actually parse anything out of
`/sys/block` either, so we need to just fall back to parsing `df`
output.
* Deduplicate `df` output by device name on Linux.
This ensures that we properly handle BTRFS subvolumes, counting each
actual volume only once.
* Use POSIX math expansion instead of awk to sum disk sizes.
This avoids the rather annoying habit of AWK of printing integers in
scientific notation instead of as exact values.
* Correct `sed` options for POSIX complaince.
* Fix disk info fetching for macOS>
POSIX tools, as found on macOS, lack a number of rather useful filtering
and sorting features, so we need to get rather creative with the
handling on macOS to make the disk space computation work correctly.
This unfortunately makes the calculation a bit less reliable than it
would have been had the existing calculations worked correctly, but it's
the best I can come up with without making things exponentiall more
complicated.
* Properly handle sector size when using sysfs.
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* Fix parsing issue in system-info.sh.
Depending on the exact hardware it's run on, `lscpu` may or may not
report a maximum and/or minimum CPU frequency. We want to preferentially
match on the maximum if it's there because the regular CPU frequency
entry from `lscpu` shows the _current_ frequency most of the time, and
we want to report the 'intended' frequency for the CPU.
* Fix the check to see if we found a CPU frequency value.
* Actually fix parsing.
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* update_info: New variables
This commit creates inside script and it reads them to Netdata
* update_info: API
This commit changes the web api response
* update_info: Disk space
This commit brings the disk space to info and renames the environment variables inside Netdata
* update_info: Rename variable
This commit renames the environment variable
* update_info: Rename response variable
This commit renames a response variable
* update_info: Labels
This commit creates the missing labels
* update_info: test before free
* update_info: Doc function
This commit brings docummentation to the functions to give instructions to developer
* update_info: Fix info message
This commit removes some info messages from the error.log
* update_info: Remove unecessary ifs, considering free manual
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* Add rudimentary disk size detection to system-info.sh.
This adds really basic detection of total disk size to the
system-info.sh script. This detection is _wildly_ inaccurate in many
cases, but it's not realistically possible to make it much better than
what's added here without making the script exponentially more
complicated (there are just way too many edge cases and special
conditions to worry about).
This adds the following keys to the output of the script:
* NETDATA_TOTAL_DISK_SIZE: This indicates the total detected disk size
in bytes.
* NETDATA_DISK_DETECTION: This indicates what detection method was used
for determining the total disk size. It may return either `df` (which
works almost everywhere but is wildly inaccurate) or `sysfs` (which is
linux specific, but is 100% accurate for a majority of cases).
On most platforms, this parses the output of the `df` command, limiting
only to filesystems that are used on fixed disks, which provides
reasonably accurate results in most trvial cases, but kind of falls
apart the moment people are doing anything remotely complicated in terms
of storage (like using a logical volume manager or under-comitting their
disk space).
On Linux, it will preferentially try to parse the info out of
`/sys/block`, filtering on device major numbers that are actually used
for fixed disks and excluding devices that are indicated to be
removable. This provides a very accurate result if the system does not
use removable media as primary storage, but requires that the user who
runs the script can read the contents of `/sys/block`.
* Add VirtIO block device major number to the list of scanned devices.
* Actually handle VirtIO block devices correctly.
* Fixes for macOS handling.
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* Add CPU information collection for Linux and FreeBSD.
This adds logic to system.info.sh to collect info about the system's CPU.
It adds the following keys to the output of the script:
* NETDATA_CPU_LOGICAL_CPU_COUNT: This reports the number of logical CPU
cores the system is actually using (including offline ones). This may
differ from the CPU's advertised core count, but is what most people
actually care about.
* NETDATA_CPU_VENDOR: This reports the CPU manufacturer. This is needed
because some systems do not include the manufacturer name in the CPU
model name.
* NETDATA_CPU_MODEL: This reports the CPU model. It may or may not
include any of a model number, intended operating frequency, and
manufacturer name.
* NETDATA_CPU_FREQ: This reports a best guess at the design frequency
for the CPU. It may instead be the max boost frequency. This is
reported as a number with associated units, which will usually be
either hertz or megahertz.
* NETDATA_CPU_DETECTION: This reports the method used to detect the CPU
information, It will be either 'none' if no detection was successful,
or a space-separated list of detection methods.
This may potentially use any of the following detection methods:
* lscpu: Uses a mix of information from across the system. Requires the
`lscpu` command to be installed.
* dmidecode: Uses the information from the DMI tables. Requires hardware
support as well as the `dmidecode` command.
* nproc: Uses the `nproc` command from the GNU coreutils to get a count
of logical processors.
* sysctl: Uses the `sysctl` command on FreeBSD to fetch information.
* sysfs: Uses /sys on Linux to fetch information.
* procfs: Uses /proc/cpuinfo on Linux to fetch information.
* uname: Uses the `uname` command from the GNU coreutils to get CPU
model and vendor information.
All values tht were not successfully detected should read back as
'unknown'. Some values may have spaces present, and thus are quoted in
the output.
* Collect total system RAM info in system-info.sh
This collects info about the total usable system RAM in the system-info.sh
script.
It adds the following two keys to the output of the script:
* NETDATA_TOTAL_RAM: Reports the total usable system RAM as a number
with an associated unit, usually as bytes or kilobytes. Reports
'unknown' if this couldn't be determined.
* NETDATA_RAM_DETECTION: Indicates how we detected the total RAM, or
'none' if we couldn't figure out the total RAM.
* Make lscpu output parsing more robust.
* Remove extra quotes.
The output is not parsed as shell variables, but using a special parser
that just reads everything from the `=` to EOL as the value.
* Coerce output to base units.
This properly converts the output for CPU frequencies and RAM sizes to
use base units of Hertz or bytes, allowing for simpler parsing of the
output.
* Fix incorrect number handling in total RAM parsing.
* Correctly fix incorrect number handling in total RAM parsing.
* Fix parsing of `lscpu` output.
This properly recognizes the CPU frequency value as MHz and truncates
the value to an integer.
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Improve the metadata detection for containers. The system_info structure has been updated to hold separate copies of OS_NAME, OS_ID, OS_ID_LIKE, OS_VERSION, OS_VERSION_ID and OS_DETECTION for both the container environment and the host. This new information is communicated through the /api/v1/info endpoint. For the streaming interface a partial copy of the info is carried until the stream protocol is upgraded. The anonymous_statistics script has been updated to carry the new data to Google Analytics. Some minor improvements have been made to OS-X / FreeBSD detection, and the detection of virtualization. The docs have been updated to explain how to pass the host environment to the docker container running Netdata.
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Initial work on host labels from the dedicated branch. Includes work for issues #7096, #7400, #7411, #7369, #7410, #7458, #7459, #7412 and #7408 by @vlvkobal, @thiagoftsm, @cakrit and @amoss.
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* On RHEL 6 file /etc/lsb-release is pretty useless
* Better OS version detection for Mac OS X
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* Add support for Mac OS X Name and Version
* Fix codacy warnings
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* Add array of collector plugins-modules to api/v1/info
* Add system info to api/v1/info, collect data from separate script, use environment vars in anonymous statistics script
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